Question: Kindly answer correctly. Please show the necessary steps An athlete exhales 7.3g of breath at standard ambient temperature and pressure (25C and 1atm), which is

Kindly answer correctly. Please show the necessary steps

Kindly answer correctly. Please show the necessary steps An athlete exhales 7.3g

An athlete exhales 7.3g of breath at standard ambient temperature and pressure (25C and 1atm), which is made up of 7%CO2,14%O2 and 79%N2 by volume. Calculate the following: a) the molar mass of the mixture = kg/kmol b) the specific gas constant of the mixture = kJ/kgK C). the mass fraction of O2=

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